Opteron 6276 vs Intel Xeon E5640

VS

AMD Opteron 6276

Intel Xeon E5640

We compared two server CPUs: Opteron 6276 with 16 cores 2.3GHz and Intel Xeon E5640 with 4 cores 2.666GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Opteron 6276 's Advantages

Released 1 years and 8 months late

Intel Xeon E5640 's Advantages

Higher base frequency (2.666GHz vs 2.3GHz)

Larger L3 cache size (12MB vs 8MB)

Lower TDP (80W vs 115W)

Score

Benchmark

Geekbench 6 Single Core

Opteron 6276

198

Intel Xeon E5640 +120%

437

Geekbench 6 Multi Core

Opteron 6276

1729

Intel Xeon E5640 +42%

2456

Opteron 6276

VS

Intel Xeon E5640

General Parameters

Nov 2011

Release Date

Mar 2010

AMD

Manufacturer

Intel

Server

Type

Server

Interlagos

Core Architecture

Westmere-EP

AMD Socket G34

Socket

Intel Socket 1366

N/A

Integrated Graphics

N/A

Opteron (Interlagos)

Generation

Xeon (Westmere-EP)

Package

2.4 billions

Transistor Count

1.17 billions

32 nm

Manufacturing Process

32 nm

115 W

Power Consumption

80 W

-

Foundry

Intel

316 mm²

Die Size

239 mm²

CPU Performance

2.3 GHz

Performance Core Base Frequency

2.666 GHz

3.2 GHz

Performance Core Turbo Frequency

2.933 GHz

16

Total Core Count

4

16

Total Thread Count

8

200 MHz

Bus Frequency

133 MHz

11.5

Multiplier

20.0

768 K

L1 Cache

64 K per core

16 MB

L2 Cache

256 K per core

8 MB per die

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

4

SMP

2

Memory Parameters

DDR3

Memory Types

DDR3

Max Memory Channels

3

No

ECC Memory Support

Yes

Miscellaneous

2

PCIe Version

2

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